61829393 has 4 divisors (see below), whose sum is σ = 63144960. Its totient is φ = 60513828.

The previous prime is 61829389. The next prime is 61829413. The reversal of 61829393 is 39392816.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61829393 - 2² = 61829389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61829393.

It is not an unprimeable number, because it can be changed into a prime (61829303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657713 + ... + 657806.

It is an arithmetic number, because the mean of its divisors is an integer number (15786240).

Almost surely, 2^61829393 is an apocalyptic number.

It is an amenable number.

61829393 is a deficient number, since it is larger than the sum of its proper divisors (1315567).

61829393 is a wasteful number, since it uses less digits than its factorization.

61829393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315566.

The product of its digits is 69984, while the sum is 41.

The square root of 61829393 is about 7863.1668556632. The cubic root of 61829393 is about 395.4257930516.

The spelling of 61829393 in words is "sixty-one million, eight hundred twenty-nine thousand, three hundred ninety-three".